/* ============================================
   自托管字体（原 Google Fonts 本地化，国内直接加载）
   仅保留实际使用的 Barlow Condensed latin 子集
   ============================================ */
@font-face {
  font-family: "Barlow Condensed";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/barlow-condensed-500.woff2") format("woff2");
}
@font-face {
  font-family: "Barlow Condensed";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/barlow-condensed-700.woff2") format("woff2");
}
@font-face {
  font-family: "Barlow Condensed";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("fonts/barlow-condensed-800.woff2") format("woff2");
}

/* ============================================
   荣盈互动 ROYIN 官网共享样式
   各页面统一引用，避免样式漂移
   ============================================ */

/* ---------- 品牌工具类 ---------- */
.text-gradient {
    background: linear-gradient(90deg, #7a1ca8, #d92179, #ff7a29);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.bg-brand-gradient {
    background: linear-gradient(90deg, #7a1ca8, #d92179, #ff7a29);
}
.glow-effect {
    box-shadow: 0 0 60px rgba(217, 33, 121, 0.3);
}

/* ---------- 数字张力字体 ---------- */
.power-number {
    font-family: "Barlow Condensed", "Arial Narrow", Impact, sans-serif;
    font-weight: 800;
    font-stretch: condensed;
    letter-spacing: 0.075em;
    line-height: 0.85;
    background: linear-gradient(100deg, #7a1ca8 0%, #d92179 48%, #ff7a29 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 8px 30px rgba(217, 33, 121, 0.08);
}
.mini-number {
    font-family: "Barlow Condensed", Impact, sans-serif;
    font-weight: 800;
    letter-spacing: 0.055em;
}

/* ---------- 首页巨幅 Banner ---------- */
.ai-banner {
    position: relative;
    height: clamp(460px, 55vw, 700px);
    min-height: 460px;
    overflow: hidden;
    background: #100d13;
}
.ai-banner .banner-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 73% 45%, rgba(217, 33, 121, 0.34), transparent 25%),
        radial-gradient(circle at 90% 65%, rgba(255, 122, 41, 0.22), transparent 27%),
        radial-gradient(circle at 43% 55%, rgba(122, 28, 168, 0.22), transparent 35%),
        linear-gradient(115deg, #100d13 0%, #17111b 42%, #0e0b11 100%);
}
.ai-banner:after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(10, 8, 12, 0.78), rgba(10, 8, 12, 0.08) 52%, rgba(10, 8, 12, 0.25));
    pointer-events: none;
}
.banner-grid {
    position: absolute;
    inset: 0;
    opacity: 0.22;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 70px 70px;
    mask-image: linear-gradient(90deg, black, transparent 78%);
}
.banner-copy {
    position: relative;
    z-index: 5;
    height: 100%;
    display: flex;
    align-items: center;
}
.banner-copy-inner {
    max-width: 1240px;
    width: 100%;
    margin: auto;
    padding: 0 24px;
}
.banner-kicker {
    color: #ff7a29;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.28em;
    margin-bottom: 24px;
}
.banner-title {
    color: white;
    font-family: "Microsoft YaHei", "PingFang SC", "HarmonyOS Sans SC", sans-serif;
    font-size: clamp(40px, 6vw, 80px);
    line-height: 1.12;
    letter-spacing: -0.012em;
    font-weight: 700;
    margin: 0;
}
.banner-title em {
    font-style: normal;
    background: linear-gradient(90deg, #b40072, #ff263d, #ff7135);
    -webkit-background-clip: text;
    color: transparent;
}
.banner-desc {
    color: rgba(255, 255, 255, 0.62);
    max-width: 470px;
    margin-top: 26px;
    font-size: 15px;
    line-height: 1.9;
}
.banner-brand {
    margin-top: 34px;
    display: flex;
    align-items: center;
    gap: 14px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 11px;
    letter-spacing: 0.22em;
}
.banner-brand img {
    width: 128px;
}
.banner-scroll {
    position: absolute;
    z-index: 6;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.42);
    font-size: 11px;
    letter-spacing: 0.25em;
}
.banner-scroll:after {
    content: "";
    display: block;
    width: 1px;
    height: 42px;
    background: linear-gradient(#fff, transparent);
    margin: 8px auto 0;
}
.real-logo {
    object-fit: contain;
    display: block;
}

/* Banner 右侧 AI 认知网络视觉 */
.ai-visual {
    position: absolute;
    z-index: 3;
    right: -2%;
    top: 50%;
    transform: translateY(-50%);
    width: min(62vw, 850px);
    aspect-ratio: 1/1;
}
.ai-halo {
    position: absolute;
    left: 51%;
    top: 51%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    pointer-events: none;
}
.halo-a {
    width: 72%;
    aspect-ratio: 1;
    background: radial-gradient(circle, rgba(217, 33, 121, 0.14), rgba(122, 28, 168, 0.08) 38%, transparent 70%);
    filter: blur(14px);
}
.halo-b {
    width: 48%;
    aspect-ratio: 1;
    background: radial-gradient(circle, rgba(255, 122, 41, 0.16), transparent 65%);
    filter: blur(10px);
}
.ai-data-orbit {
    position: absolute;
    left: 50%;
    top: 51%;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 50%;
    pointer-events: none;
}
.orbit-a { width: 82%; height: 43%; transform: translate(-50%, -50%) rotate(-19deg); }
.orbit-b { width: 66%; height: 67%; transform: translate(-50%, -50%) rotate(34deg); border-color: rgba(217, 33, 121, 0.24); }
.orbit-c { width: 49%; height: 83%; transform: translate(-50%, -50%) rotate(-51deg); border-color: rgba(255, 122, 41, 0.18); }
.neural-web {
    position: absolute;
    inset: 4% 0 0 4%;
    width: 92%;
    height: 92%;
    overflow: visible;
    filter: drop-shadow(0 0 18px rgba(217, 33, 121, 0.16));
}
.neural-web path {
    stroke-linecap: round;
    stroke-linejoin: round;
}
.ai-data-orbit { box-shadow: 0 0 18px rgba(217, 33, 121, 0.05); }
.ai-cognition-core {
    position: absolute;
    left: 51%;
    top: 51%;
    transform: translate(-50%, -50%) rotate(-8deg);
    width: 24%;
    aspect-ratio: 1;
    border-radius: 34%;
    background: radial-gradient(circle at 45% 38%, rgba(100, 40, 100, 0.62), rgba(16, 11, 20, 0.96) 68%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 90px rgba(217, 33, 121, 0.24), 0 0 150px rgba(255, 122, 41, 0.07), inset 0 0 55px rgba(255, 122, 41, 0.09);
    display: grid;
    place-items: center;
    color: #fff;
    overflow: hidden;
}
.ai-cognition-core:before {
    content: "";
    position: absolute;
    inset: 12%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 122, 41, 0.22), rgba(217, 33, 121, 0.1) 34%, transparent 70%);
    filter: blur(7px);
}
.ai-cognition-core span {
    font-family: "Barlow Condensed", Impact, sans-serif;
    font-size: clamp(70px, 9vw, 132px);
    line-height: 0.8;
    font-weight: 800;
    letter-spacing: -0.06em;
    background: linear-gradient(135deg, #ffb07d, #ff263d 48%, #b40072);
    -webkit-background-clip: text;
    color: transparent;
    position: relative;
    z-index: 2;
}
.ai-cognition-core small {
    position: absolute;
    bottom: 12%;
    font-size: 9px;
    line-height: 1.35;
    letter-spacing: 0.2em;
    text-align: center;
    color: rgba(255, 255, 255, 0.45);
    z-index: 2;
}
.core-scan {
    position: absolute;
    width: 150%;
    height: 1px;
    top: 48%;
    left: -25%;
    background: linear-gradient(90deg, transparent, #ff7a29, transparent);
    box-shadow: 0 0 16px #ff7a29;
    animation: scan 3.8s ease-in-out infinite;
    opacity: 0.65;
}
.ai-chip {
    position: absolute;
    padding: 7px 11px;
    border: 1px solid rgba(255, 255, 255, 0.11);
    background: rgba(18, 12, 22, 0.42);
    backdrop-filter: blur(10px);
    color: rgba(255, 255, 255, 0.62);
    font-size: 9px;
    letter-spacing: 0.2em;
    border-radius: 999px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.22);
}
.chip-a { left: 19%; top: 30%; }
.chip-b { right: 11%; top: 25%; color: #ff9a77; }
.chip-c { right: 12%; bottom: 25%; color: #e889c0; }
.chip-d { left: 18%; bottom: 25%; color: #c7a3df; }
.ai-spark {
    position: absolute;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 0 20px 5px rgba(255, 122, 41, 0.65);
    animation: pulse 2.5s ease-in-out infinite;
    filter: blur(0.15px);
}
.s1 { left: 30%; top: 20%; }
.s2 { right: 23%; top: 40%; background: #d92179; }
.s3 { right: 28%; bottom: 17%; background: #ff7a29; }
.s4 { left: 27%; bottom: 34%; background: #7a1ca8; }

@keyframes pulse {
    0%, 100% { transform: scale(0.7); opacity: 0.45; }
    50% { transform: scale(1.5); opacity: 1; }
}
@keyframes scan {
    0%, 100% { transform: translateY(-95px); opacity: 0; }
    25%, 75% { opacity: 0.8; }
    50% { transform: translateY(95px); }
}

@media (max-width: 767.98px) {
    .ai-visual { right: -36%; width: 105vw; opacity: 0.62; }
    .ai-cognition-core { width: 27%; }
    .ai-chip { display: none; }
    .banner-copy-inner { padding: 0 24px; }
    .banner-copy { align-items: flex-start; padding-top: 105px; }
    .banner-desc { max-width: 330px; }
    .banner-brand img { width: 105px; }
    .banner-grid { background-size: 46px 46px; }
}

/* ---------- Hero 右侧认知卡 ---------- */
.hero-ai-card {
    position: relative;
    max-width: 520px;
    margin: auto;
    aspect-ratio: 1.08/1;
    border-radius: 32px;
    overflow: hidden;
    background:
        radial-gradient(circle at 54% 50%, rgba(217, 33, 121, 0.16), transparent 28%),
        radial-gradient(circle at 68% 48%, rgba(255, 122, 41, 0.1), transparent 34%),
        linear-gradient(145deg, #17121a, #09080d);
    box-shadow: 0 30px 70px rgba(25, 15, 30, 0.2);
}
.hero-ai-card:before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 20%, rgba(255, 255, 255, 0.05) 48%, transparent 70%);
    transform: translateX(-100%);
    animation: heroSweep 7s ease-in-out infinite;
}
.hero-neural {
    position: absolute;
    width: 92%;
    height: 92%;
    left: 4%;
    top: 4%;
    filter: drop-shadow(0 0 16px rgba(217, 33, 121, 0.12));
}
.hero-neural path { stroke-linecap: round; stroke-linejoin: round; }
.hero-orbit {
    position: absolute;
    left: 50%;
    top: 50%;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}
.hero-orbit.a { width: 86%; height: 38%; transform: translate(-50%, -50%) rotate(-22deg); }
.hero-orbit.b { width: 62%; height: 72%; transform: translate(-50%, -50%) rotate(30deg); border-color: rgba(217, 33, 121, 0.22); }
.hero-core {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 38%;
    aspect-ratio: 1;
    transform: translate(-50%, -50%);
    border-radius: 31%;
    display: grid;
    place-items: center;
    background: radial-gradient(circle at 45% 38%, rgba(82, 33, 82, 0.55), rgba(15, 12, 18, 0.92) 70%);
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: 0 0 70px rgba(217, 33, 121, 0.2), 0 0 120px rgba(255, 122, 41, 0.06);
}
.hero-core img {
    width: 70%;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 14px 22px rgba(255, 76, 50, 0.24));
}
.hero-core:after {
    content: "AI / CONNECT / CREATE";
    position: absolute;
    bottom: 10%;
    font-size: 9px;
    letter-spacing: 0.22em;
    color: rgba(255, 255, 255, 0.42);
}
.hero-label {
    position: absolute;
    padding: 7px 10px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    background: rgba(10, 8, 13, 0.55);
    color: rgba(255, 255, 255, 0.55);
    font-size: 9px;
    letter-spacing: 0.18em;
    backdrop-filter: blur(8px);
}
.hero-label.l1 { left: 8%; top: 25%; }
.hero-label.l2 { right: 8%; top: 33%; }
.hero-label.l3 { right: 11%; bottom: 22%; }
.hero-label.l4 { left: 12%; bottom: 19%; }
.hero-point {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #ff7a29;
    box-shadow: 0 0 20px rgba(255, 122, 41, 0.8);
    filter: blur(0.15px);
}
.hero-point.p1 { left: 24%; top: 34%; }
.hero-point.p2 { right: 21%; top: 24%; background: #d92179; }
.hero-point.p3 { right: 17%; bottom: 31%; }
.hero-point.p4 { left: 23%; bottom: 25%; background: #7a1ca8; }
@keyframes heroSweep {
    0%, 45% { transform: translateX(-110%); }
    70%, 100% { transform: translateX(110%); }
}
@media (max-width: 767.98px) {
    .hero-ai-card { aspect-ratio: 1/1; }
    .hero-neural { width: 100%; height: 100%; }
}

/* ---------- 页头 Logo 尺寸 ---------- */
footer .footer-logo-white-text {
    width: 164px !important;
    max-width: 164px !important;
    height: auto !important;
    object-fit: contain !important;
}

/* ============================================
   子页面箱庭式 Page Hero
   品牌浅色底座（与 ROYIN 标志同色系）+ 轨道环 + 浮动节点 + 页面专属 SVG
   ============================================ */
.page-hero {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 80% 34%, rgba(217, 33, 121, 0.1), transparent 38%),
        radial-gradient(circle at 92% 74%, rgba(255, 122, 41, 0.14), transparent 40%),
        radial-gradient(circle at 22% 84%, rgba(122, 28, 168, 0.1), transparent 42%),
        linear-gradient(118deg, #ffffff 0%, #fdf6fb 46%, #fff5ec 100%);
    color: #1f2937;
    padding: 150px 0 90px;
}
.page-hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(16, 13, 19, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16, 13, 19, 0.045) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse at 65% 45%, black 30%, transparent 80%);
}
.page-hero-inner {
    position: relative;
    z-index: 5;
    max-width: 1240px;
    margin: auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
}
@media (min-width: 900px) {
    .page-hero-inner { grid-template-columns: 1.05fr 0.95fr; }
}
.page-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #d9661a;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.18em;
    margin-bottom: 20px;
}
.page-kicker:before {
    content: "";
    width: 28px;
    height: 1px;
    background: linear-gradient(90deg, transparent, #d9661a);
}
.page-title {
    font-family: "Microsoft YaHei", "PingFang SC", "HarmonyOS Sans SC", sans-serif;
    font-size: clamp(30px, 4vw, 52px);
    line-height: 1.18;
    letter-spacing: -0.012em;
    font-weight: 700;
    margin: 0;
}
.page-title em {
    font-style: normal;
    background: linear-gradient(90deg, #b40072, #ff263d, #ff7135);
    -webkit-background-clip: text;
    color: transparent;
}
.page-desc {
    color: #6b7280;
    max-width: 480px;
    margin-top: 22px;
    font-size: 15.5px;
    line-height: 1.85;
}
.page-breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 30px;
    font-size: 12px;
    letter-spacing: 0.08em;
    color: #9ca3af;
}
.page-breadcrumb a {
    color: #6b7280;
    transition: color 0.2s;
}
.page-breadcrumb a:hover { color: #d92179; }

/* 页面箱庭视觉容器 */
.dio-stage {
    position: relative;
    width: min(100%, 460px);
    aspect-ratio: 1/1;
    margin: auto;
}
.dio-glow {
    position: absolute;
    inset: 12%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(217, 33, 121, 0.16), rgba(122, 28, 168, 0.07) 42%, transparent 72%);
    filter: blur(16px);
}
.dio-ring {
    position: absolute;
    left: 50%;
    top: 50%;
    border: 1px solid rgba(16, 13, 19, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}
.dio-ring.r1 { width: 88%; height: 44%; transform: translate(-50%, -50%) rotate(-18deg); }
.dio-ring.r2 { width: 66%; height: 70%; transform: translate(-50%, -50%) rotate(32deg); border-color: rgba(217, 33, 121, 0.22); }
.dio-ring.r3 { width: 46%; height: 86%; transform: translate(-50%, -50%) rotate(-48deg); border-color: rgba(255, 122, 41, 0.3); }
.dio-svg {
    position: absolute;
    inset: 6%;
    width: 88%;
    height: 88%;
    overflow: visible;
}
.dio-svg path.flow {
    stroke-dasharray: 6 8;
    animation: dio-flow 3.2s linear infinite;
}
@keyframes dio-flow {
    to { stroke-dashoffset: -56; }
}
.dio-core {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 27%;
    aspect-ratio: 1;
    border-radius: 30%;
    display: grid;
    place-items: center;
    background: linear-gradient(145deg, #7a1ca8 0%, #d92179 56%, #ff7a29 100%);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 18px 44px -20px rgba(217, 33, 121, 0.5), inset 0 0 40px rgba(255, 255, 255, 0.12);
    animation: dio-breathe 4.5s ease-in-out infinite;
}
@keyframes dio-breathe {
    0%, 100% { box-shadow: 0 16px 40px -22px rgba(217, 33, 121, 0.42), inset 0 0 36px rgba(255, 255, 255, 0.1); }
    50% { box-shadow: 0 24px 58px -20px rgba(217, 33, 121, 0.6), inset 0 0 48px rgba(255, 255, 255, 0.16); }
}
.dio-core svg { width: 44%; height: 44%; }
.dio-core .core-text {
    font-family: "Barlow Condensed", Impact, sans-serif;
    font-weight: 800;
    font-size: clamp(34px, 4.4vw, 58px);
    letter-spacing: -0.05em;
    background: linear-gradient(135deg, #ffb07d, #ff263d 48%, #b40072);
    -webkit-background-clip: text;
    color: transparent;
    line-height: 0.9;
}
.dio-core .core-sub {
    position: absolute;
    bottom: 9%;
    font-size: 9px;
    letter-spacing: 0.22em;
    color: rgba(255, 255, 255, 0.8);
    white-space: nowrap;
}
.dio-chip {
    position: absolute;
    padding: 8px 13px;
    border: 1px solid rgba(16, 13, 19, 0.08);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    font-size: 11px;
    letter-spacing: 0.06em;
    color: #4b5563;
    box-shadow: 0 14px 32px -18px rgba(16, 13, 19, 0.38);
    display: flex;
    align-items: center;
    gap: 7px;
    animation: dio-float 6s ease-in-out infinite alternate;
}
.dio-chip .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #ff7a29;
    box-shadow: 0 0 12px rgba(255, 122, 41, 0.9);
    flex: none;
}
.dio-chip.c1 { left: 4%; top: 20%; animation-delay: 0s; }
.dio-chip.c2 { right: 0%; top: 32%; animation-delay: 1.2s; }
.dio-chip.c3 { right: 6%; bottom: 18%; animation-delay: 2.1s; }
.dio-chip.c4 { left: 8%; bottom: 14%; animation-delay: 3s; }
@keyframes dio-float {
    from { transform: translateY(-6px); }
    to { transform: translateY(8px); }
}
.dio-node {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ff7a29;
    box-shadow: 0 0 18px rgba(255, 122, 41, 0.85);
    animation: dio-pulse 2.6s ease-in-out infinite;
}
.dio-node.pink { background: #d92179; box-shadow: 0 0 18px rgba(217, 33, 121, 0.85); }
.dio-node.purple { background: #7a1ca8; box-shadow: 0 0 18px rgba(122, 28, 168, 0.85); }
@keyframes dio-pulse {
    0%, 100% { transform: scale(0.75); opacity: 0.55; }
    50% { transform: scale(1.25); opacity: 1; }
}

@media (max-width: 899.98px) {
    .page-hero { padding: 130px 0 64px; }
    .dio-stage { width: min(86vw, 380px); }
    .dio-chip.c2, .dio-chip.c3 { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .dio-svg path.flow, .dio-core, .dio-chip, .dio-node,
    .core-scan, .hero-ai-card:before, .ai-spark {
        animation: none !important;
    }
}

/* ---------- 滚动显现 ---------- */
.reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.7s cubic-bezier(0.21, 0.6, 0.35, 1), transform 0.7s cubic-bezier(0.21, 0.6, 0.35, 1);
}
.reveal.in {
    opacity: 1;
    transform: none;
}
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- 导航 ---------- */
.nav-link {
    position: relative;
    padding: 4px 0;
}
.nav-link:after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, #7a1ca8, #d92179, #ff7a29);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
}
.nav-link:hover:after,
.nav-link.active:after {
    transform: scaleX(1);
}
.nav-link.active {
    color: #121217;
    font-weight: 600;
}

/* ---------- 移动端菜单 ---------- */
/* 汉堡按钮：视觉尺寸不变，仅把可点区域撑到 44×44（移动端主导航入口，原 24×24 偏小） */
#mobile-menu-btn {
    padding: 10px;
    margin: -10px;
}
#mobile-menu {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s ease;
}
/* 展开高度改为自适应：原硬编码 max-height:400px，而内容已 368px，
   只差 32px 余量——再加一个菜单项、或用户把系统字号调大就会被裁切。
   注意：grid 行能塌缩到 0，但内层 padding 不会（实测收起后残留 41px = py-5 的 40px + 边框 1px），
   所以收起态把内层上下 padding 一起归零，展开时恢复（1.25rem = py-5）。 */
#mobile-menu > div {
    overflow: hidden;
    min-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    transition: padding-top 0.35s ease, padding-bottom 0.35s ease;
}
#mobile-menu.open {
    grid-template-rows: 1fr;
}
#mobile-menu.open > div {
    padding-top: 1.25rem;
    padding-bottom: 1.25rem;
}

/* ---------- 通用小区块 ---------- */
.eyebrow {
    font-size: 12px;
    letter-spacing: 0.2em;
    font-weight: 600;
}
.section-kicker {
    text-align: center;
    margin-bottom: 16px;
}
.card-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card-lift:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 40px rgba(122, 28, 168, 0.12);
}

/* 深色区块内的台座卡片（箱庭感） */
.pedestal-dark {
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015));
    border-radius: 20px;
}
.pedestal-dark:hover {
    border-color: rgba(217, 33, 121, 0.35);
}

/* ---------- 合作生态 · 三大合作方向 ---------- */
.coop-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: repeat(6, auto);
    gap: 24px;
    align-items: stretch;
}
@media (min-width: 768px) {
    .coop-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}
@media (min-width: 1024px) {
    .coop-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 32px;
    }
}
.coop-card {
    position: relative;
    display: grid;
    grid-row: span 6;
    grid-template-rows: subgrid;
    row-gap: 0;
    overflow: hidden;
    padding: 30px 20px 26px;
    border: 1px solid rgba(16, 13, 19, 0.07);
    border-radius: 22px;
    background: #fbf9fc;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.coop-card:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #7a1ca8, #d92179, #ff7a29);
    opacity: 0.85;
}
.coop-card:hover {
    transform: translateY(-6px);
    border-color: rgba(217, 33, 121, 0.22);
    box-shadow: 0 22px 46px -26px rgba(122, 28, 168, 0.38);
}
.coop-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.coop-tag {
    flex: none;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(217, 33, 121, 0.08);
    color: #d92179;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    white-space: nowrap;
}
.coop-tag.tag-orange {
    background: rgba(255, 122, 41, 0.12);
    color: #d9661a;
}
.coop-tag.tag-purple {
    background: rgba(122, 28, 168, 0.1);
    color: #7a1ca8;
}
.coop-title {
    margin-bottom: 10px;
    font-size: 20px;
    font-weight: 700;
    color: #1f2937;
}
.coop-desc {
    margin-bottom: 20px;
    color: #6b7280;
    font-size: 13.5px;
    line-height: 1.85;
}
.coop-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    margin-bottom: 20px;
}
.coop-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border: 1px solid rgba(217, 33, 121, 0.28);
    border-radius: 999px;
    background: #fff;
    color: #d92179;
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.coop-link:hover {
    border-color: #d92179;
    background: #d92179;
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 8px 18px -12px rgba(217, 33, 121, 0.8);
}
.coop-meta {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 22px;
    padding-top: 16px;
    border-top: 1px dashed rgba(16, 13, 19, 0.1);
}
.coop-meta > div {
    display: flex;
    gap: 8px;
    font-size: 12.5px;
    line-height: 1.75;
}
.coop-meta dt {
    flex: none;
    width: 4.2em;
    color: #9ca3af;
}
.coop-meta dd {
    margin: 0;
    color: #4b5563;
}
.coop-cta {
    display: block;
    padding: 12px 18px;
    border-radius: 999px;
    background: linear-gradient(90deg, #7a1ca8, #d92179, #ff7a29);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    transition: opacity 0.25s ease, box-shadow 0.25s ease;
}
.coop-cta:hover {
    opacity: 0.92;
    box-shadow: 0 14px 28px -16px rgba(217, 33, 121, 0.75);
}

/* 手机：单栏，点击区放大，说明不再占位两行 */
@media (max-width: 767.98px) {
    .coop-card {
        padding: 24px 20px 22px;
    }
    .coop-desc {
        min-height: 0;
    }
    .coop-link {
        padding: 10px 14px;
        font-size: 13px;
    }

    /* 防止长文本 / 弹性子项把栅格撑出横向滚动（320px 视口实测会溢出） */
    .grid > *,
    .flex > * {
        min-width: 0;
    }
    .container p,
    .container h1,
    .container h2,
    .container h3,
    .container a,
    .container li {
        overflow-wrap: break-word;
    }
}

/* 平板竖屏 / 手机横屏：两栏，卡片略收紧 */
@media (min-width: 768px) and (max-width: 1023.98px) {
    .coop-card {
        padding: 26px 22px 24px;
    }
}

/* 流程步骤连接线 */
.step-line {
    position: relative;
}
.step-line:not(:last-child):after {
    content: "";
    position: absolute;
    top: 44px;
    left: 50%;
    width: 1px;
    height: calc(100% - 44px);
    background: repeating-linear-gradient(to bottom, rgba(217, 33, 121, 0.4) 0 5px, transparent 5px 11px);
}
@media (max-width: 767.98px) {
    .step-line:not(:last-child):after { display: none; }
}

/* ---------- 客户案例 · 数据实证 ---------- */
.proof-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
    align-items: center;
}
.proof-row.rev {
    margin-top: 64px;
}
@media (min-width: 900px) {
    .proof-row {
        grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
        gap: 56px;
    }
    .proof-row.rev {
        grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    }
}
.proof-shots {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}
.proof-shots-3 {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    margin-top: 40px;
}
@media (min-width: 900px) {
    .proof-shots-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}
.proof-shots img,
.proof-shots-3 img,
.proof-figure img {
    display: block;
    width: 100%;
    height: auto;
}
.proof-kpis {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}
.proof-kpi {
    background: #faf9f7;
    border-radius: 12px;
    padding: 16px 20px;
}
.proof-kpi .power-number {
    font-size: 2rem;
}
.proof-kpi-label {
    margin-top: 6px;
    font-size: 12px;
    color: #6b7280;
}
.proof-table-wrap {
    overflow-x: auto;
}
.proof-note {
    margin-top: 12px;
}
/* 京东：左侧三张后台截图竖排，右侧数据分析（两栏上下对齐） */
.proof-shots-stack {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
}
.proof-shots-stack img {
    display: block;
    width: 100%;
    max-width: 380px;
    margin-left: auto;
    margin-right: auto;
    height: auto;
}
.proof-row-ledger {
    align-items: stretch;
}
.proof-row-ledger .proof-copy {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
/* 闲鱼：图 | 文字 | 图 三列对齐，下方通栏实拍（按手绘草图） */
.proof-row-xianyu3 {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 24px;
    align-items: stretch;
    margin-bottom: 44px;
}
.proof-shot-phone {
    display: block;
    width: 100%;
    height: auto;
}
.proof-row-xianyu3 .proof-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: #fff;
    border: 1px solid rgba(16, 13, 19, 0.08);
    border-radius: 18px;
    padding: 26px 24px;
}
/* 多机实拍：逐台裁剪，一行左对齐 */
.proof-phones {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 10px;
}
.proof-phones img {
    display: block;
    width: 100%;
    height: auto;
}
/* 中间文字列加厚：数字放大、间距加大 */
.proof-row-xianyu3 .proof-kpi {
    padding: 20px 18px;
}
.proof-row-xianyu3 .proof-kpi .power-number {
    font-size: 2.35rem;
}
.proof-row-xianyu3 .proof-kpis {
    gap: 14px;
}
.proof-row-xianyu3 .proof-list {
    gap: 10px;
}
@media (max-width: 899.98px) {
    .proof-row-xianyu3 {
        grid-template-columns: minmax(0, 1fr);
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
    }
    .proof-phones {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}
@media (max-width: 559.98px) {
    .proof-phones {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}
.proof-list {
    display: grid;
    gap: 8px;
    font-size: 13.5px;
    line-height: 1.7;
    color: #6b7280;
}
.proof-list li {
    position: relative;
    padding-left: 16px;
}
.proof-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.62em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #d92179;
}
/* 可放大的截图 */
img[data-zoom] {
    cursor: zoom-in;
}

/* ---------- 案例截图灯箱 ---------- */
.zoombox {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(14, 11, 20, 0.9);
    overscroll-behavior: contain;
}
.zoombox.open {
    display: flex;
}
.zoombox img {
    max-width: 100%;
    max-height: calc(100dvh - 110px);
    width: auto;
    height: auto;
    border-radius: 10px;
}
.zoombox-cap {
    position: absolute;
    left: 50%;
    bottom: 22px;
    transform: translateX(-50%);
    max-width: 90%;
    text-align: center;
    font-size: 13px;
    line-height: 1.6;
    color: #fff;
    opacity: 0.85;
}
.zoombox-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
    color: #fff;
    background: rgba(255, 255, 255, 0.16);
    border: 0;
    cursor: pointer;
}

/* ---------- AI-U盾 · 核心卖点卡片 ---------- */
.usp-card {
    display: flex;
    flex-direction: column;
}
.usp-desc {
    flex: 1 1 auto;
    margin-bottom: 20px;
}
.usp-vs {
    padding-top: 16px;
    border-top: 1px solid rgba(16, 13, 19, 0.05);
    font-size: 12px;
    line-height: 1.75;
}
.usp-vs .old {
    color: #6b7280;
}
.usp-vs .new {
    font-weight: 500;
}

/* ---------- 客户案例 · 数据实证台账 ---------- */
.proof-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.proof-table th,
.proof-table td {
    padding: 11px 12px;
    text-align: right;
    white-space: nowrap;
    border-bottom: 1px solid rgba(16, 13, 19, 0.07);
}
.proof-table th:first-child,
.proof-table td:first-child {
    text-align: left;
}
.proof-table thead th {
    font-size: 12px;
    font-weight: 600;
    color: #9ca3af;
    letter-spacing: 0.02em;
    border-bottom-color: rgba(16, 13, 19, 0.12);
}
.proof-table tbody td {
    color: #4b5563;
}
.proof-table .num {
    font-family: "Barlow Condensed", "Arial Narrow", Impact, sans-serif;
    font-weight: 700;
    font-size: 14.5px;
    letter-spacing: 0.03em;
    color: #1f2937;
}
.proof-table .hl {
    color: #d92179;
}
.proof-table tfoot td {
    border-top: 1px solid rgba(16, 13, 19, 0.12);
    border-bottom: none;
    font-weight: 700;
    color: #1f2937;
}
@media (max-width: 640px) {
    .proof-table {
        font-size: 12px;
    }
    .proof-table th,
    .proof-table td {
        padding: 9px 8px;
    }
    .proof-table .num {
        font-size: 13px;
    }
}

/* ============================================
   隐私政策页（privacy.html）
   ============================================ */
.privacy-meta {
    font-size: 13px;
    color: #d92179;
    background: rgba(217, 33, 121, 0.06);
    border-radius: 10px;
    padding: 10px 14px;
    margin: 0 0 28px;
}
.privacy-body h2 {
    font-size: 17px;
    font-weight: 700;
    color: #1f2937;
    margin: 30px 0 12px;
    padding-left: 12px;
    border-left: 3px solid #d92179;
}
.privacy-body p {
    font-size: 14px;
    color: #4b5563;
    line-height: 1.9;
    margin: 0 0 12px;
    text-align: justify;
}
.privacy-body ul {
    margin: 0 0 14px;
    padding: 0;
    list-style: none;
}
.privacy-body li {
    position: relative;
    font-size: 14px;
    color: #4b5563;
    line-height: 1.85;
    padding-left: 18px;
    margin-bottom: 8px;
    text-align: justify;
}
.privacy-body li:before {
    content: "";
    position: absolute;
    left: 2px;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: linear-gradient(135deg, #7a1ca8, #d92179);
}
.privacy-body strong {
    color: #1f2937;
}

/* ============================================
   首页 Hero 公司动态照片轮播
   ============================================ */
@media (min-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr 1.2fr;
    }
}
.hero-photo-card {
    background: linear-gradient(145deg, #17121a, #09080d);
    max-width: 640px;
    aspect-ratio: 16 / 10;
}
.hero-photo {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transform: scale(1.02);
    transition: opacity 1.2s ease, transform 6s ease;
}
.hero-photo.active {
    opacity: 1;
    transform: scale(1);
}
.hero-photo-tag {
    position: absolute;
    left: 18px;
    bottom: 16px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 14px;
    border-radius: 999px;
    background: rgba(12, 8, 14, 0.62);
    backdrop-filter: blur(6px);
    color: rgba(255, 255, 255, 0.92);
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: 0.02em;
}
.hero-photo-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #ff7a29;
    box-shadow: 0 0 8px rgba(255, 122, 41, 0.8);
}

/* ============================================
   全局字体与排版
   ============================================ */
body {
    font-family: Inter, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* ============================================
   新闻播报卡片（cooperation.html）
   ============================================ */
.news-card {
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 20px;
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.news-card:hover {
    border-color: rgba(217, 33, 121, 0.3);
    box-shadow: 0 10px 40px rgba(122, 28, 168, 0.08);
}
/* 横向新闻卡：视频居左缩小，右侧文字描述 */
.news-card-h {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
}
@media (max-width: 767.98px) {
    .news-card-h {
        grid-template-columns: 1fr;
    }
}
/* 左栏媒体区：视频 16:9 完整显示 + 弹性信息条填满视频下方空间，避免出现空白 */
.news-media {
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.news-media .news-video {
    height: auto;
    flex: 0 0 auto;
}
.news-media-meta {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    padding: 13px 20px;
    background: linear-gradient(180deg, #faf7fd, #f5f1fa);
    border-top: 1px solid rgba(122, 28, 168, .10);
}
.news-media-meta .nm-date {
    font-size: 12px;
    font-weight: 700;
    color: #d92179;
    letter-spacing: .05em;
}
.news-media-meta .nm-sub {
    font-size: 12.5px;
    color: #5b5568;
    line-height: 1.45;
}
.news-video {
    display: block;
    width: 100%;
    height: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    background: #000;
}
.news-caption {
    padding: 22px 26px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.news-tag {
    font-size: 12px;
    font-weight: 600;
    color: #d92179;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}
.news-caption h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 8px;
    line-height: 1.5;
}
.news-caption p {
    font-size: 14px;
    color: #4b5563;
    line-height: 1.85;
    margin: 0;
    text-align: justify;
}

.job-summary {
    font-size: 13.5px;
    color: #7a1ca8;
    background: rgba(122, 28, 168, 0.05);
    border-radius: 10px;
    padding: 10px 14px;
    margin: 0 0 16px;
}
.job-growth {
    font-size: 12.5px;
    color: #6b7280;
    margin: 10px 0 0;
    line-height: 1.7;
}
.job-growth strong {
    color: #374151;
}

/* 左栏公司简介与资质 */
.company-blurb {
    font-size: 13.5px;
    color: #4b5563;
    line-height: 1.85;
    margin: 0 0 14px;
    text-align: justify;
}
.company-facts {
    list-style: none;
    margin: 0 0 16px;
    padding: 0;
}
.company-facts li {
    position: relative;
    font-size: 13px;
    color: #374151;
    line-height: 1.7;
    padding-left: 18px;
    margin-bottom: 8px;
}
.company-facts li:before {
    content: "";
    position: absolute;
    left: 2px;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: linear-gradient(135deg, #7a1ca8, #d92179);
}
.company-contact {
    display: grid;
    gap: 4px;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 14px;
    padding: 14px 16px;
    font-size: 13px;
    line-height: 1.6;
}
.company-contact strong {
    font-size: 12px;
    color: #d92179;
    letter-spacing: 0.04em;
}
.company-contact span {
    color: #4b5563;
}
.company-contact a {
    color: #4b5563;
}
.company-contact a:hover {
    color: #d92179;
}

/* ============================================
   加入我们 · 岗位列表（careers.html）
   ============================================ */
.job-card {
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 20px;
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.job-card:hover {
    border-color: rgba(217, 33, 121, 0.3);
    box-shadow: 0 10px 40px rgba(122, 28, 168, 0.08);
}
.job-card + .job-card {
    margin-top: 18px;
}
.job-head {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 24px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
}
.job-head-main h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #1f2937;
}
.job-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}
.job-tag {
    font-size: 12px;
    color: #6b7280;
    background: #f5f3f7;
    border: 1px solid rgba(122, 28, 168, 0.1);
    padding: 3px 10px;
    border-radius: 999px;
}
.job-chevron {
    flex: none;
    width: 34px;
    height: 34px;
    border-radius: 999px;
    border: 1px solid rgba(122, 28, 168, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #7a1ca8;
    transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
}
.job-card.open .job-chevron {
    transform: rotate(180deg);
    background: linear-gradient(135deg, #7a1ca8, #d92179);
    color: #fff;
    border-color: transparent;
}
.job-body {
    display: none;
    padding: 0 24px 24px;
}
.job-card.open .job-body {
    display: block;
}
/* 展开内容双栏：职责居左、要求居右，宽屏自动分栏 */
.job-body-grid {
    display: grid;
    gap: 20px;
}
@media (min-width: 1024px) {
    .job-body-grid {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        gap: 28px;
    }
}
.job-sec + .job-sec {
    margin-top: 18px;
}
.job-sec h4 {
    font-size: 13px;
    font-weight: 700;
    color: #7a1ca8;
    margin-bottom: 8px;
}
.job-sec ol {
    list-style: decimal;
    padding-left: 18px;
    display: grid;
    gap: 4px;
}
.job-sec li {
    font-size: 13.5px;
    color: #4b5563;
    line-height: 1.65;
}
.job-apply {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px dashed rgba(122, 28, 168, 0.15);
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
}
.btn-apply {
    display: inline-block;
    background: linear-gradient(135deg, #7a1ca8, #d92179);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    padding: 10px 26px;
    border-radius: 999px;
    transition: opacity 0.3s ease;
}
.btn-apply:hover {
    opacity: 0.88;
}
.job-apply-note {
    font-size: 13px;
    color: #9ca3af;
}
.jobs-empty {
    text-align: center;
    color: #6b7280;
    background: #fff;
    border: 1px dashed rgba(122, 28, 168, 0.2);
    border-radius: 20px;
    padding: 48px 24px;
}
.jobs-empty a {
    color: #d92179;
}

/* 在招岗位 · 左右分栏布局（左窄右宽，右侧占满剩余空间） */
.jobs-layout {
    display: grid;
    gap: 40px;
}
@media (min-width: 768px) {
    .jobs-layout {
        grid-template-columns: 280px minmax(0, 1fr);
        gap: 48px;
    }
}

/* 右栏弹性布局：岗位卡片在上，「更多岗位」卡片沉底与左栏按钮区对齐 */
#jobs-list {
    display: flex;
    flex-direction: column;
    align-items: stretch;
}
#jobs-list .job-card:last-of-type {
    margin-bottom: 24px;
}

/* 在招岗位 · 底部「更多岗位更新中」占位卡片 */
.job-more {
    margin-top: auto;
    margin-bottom: 24px;
    border: 1.5px dashed rgba(122, 28, 168, 0.25);
    border-radius: 20px;
    padding: 22px 26px;
    background: rgba(255, 255, 255, 0.6);
}
.job-more strong {
    display: block;
    font-size: 14.5px;
    color: #7a1ca8;
    margin-bottom: 6px;
}
.job-more p {
    font-size: 13.5px;
    color: #6b7280;
    line-height: 1.7;
    margin: 0;
}
.job-more a {
    color: #d92179;
}

/* 在招岗位 · 投递按钮容器（grid 间距，hidden 提示不占位） */
.apply-actions {
    display: grid;
    gap: 10px;
}
.apply-actions .js-jobs-hint {
    margin: 0;
}
/* 投递按钮下方引导小字 */
.apply-note {
    font-size: 12.5px;
    color: #9ca3af;
    margin: 12px 0 0;
}

/* 在招岗位 · 投递按钮（块级、同宽对齐，box-sizing 防溢出） */
.apply-btn {
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: 11px 18px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
    text-align: center;
    transition: opacity 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.apply-btn + .apply-btn {
    margin-top: 0;
}
.apply-btn.primary {
    background: linear-gradient(135deg, #7a1ca8, #d92179);
    color: #fff;
}
.apply-btn.primary:hover {
    opacity: 0.9;
}
.apply-btn.ghost {
    background: #fff;
    color: #374151;
    border: 1px solid rgba(0, 0, 0, 0.08);
}
.apply-btn.ghost:hover {
    border-color: rgba(217, 33, 121, 0.35);
    box-shadow: 0 6px 20px rgba(122, 28, 168, 0.08);
}
.apply-btn .apply-btn-sub {
    color: #9ca3af;
    font-size: 13px;
}

/* 在招岗位 · 左侧导航 */
.job-nav {
    list-style: none;
    display: grid;
    gap: 8px;
    margin: 0;
    padding: 0;
}
.job-nav a {
    display: block;
    font-size: 14px;
    line-height: 1.5;
    color: #4b5563;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 12px;
    padding: 12px 16px;
    transition: color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.job-nav a:hover {
    color: #7a1ca8;
    border-color: rgba(217, 33, 121, 0.3);
    box-shadow: 0 6px 20px rgba(122, 28, 168, 0.08);
}

/* =====================================================
   AI-U盾 · 个人版「随身 AI 工作空间」独立宣传页
   区块前缀 aiu- 仅此页使用；与全局组件无冲突
   ===================================================== */
.aiu-body { background: #f7f7fb; }
.aiu-kicker { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; letter-spacing: .2em; font-weight: 600; color: #ffd9e8; }
.aiu-kicker .dot { width: 6px; height: 6px; border-radius: 50%; background: #ff7a29; }
.aiu-sec-eyebrow { font-size: 12px; letter-spacing: .2em; font-weight: 600; }
.aiu-sec-title { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 700; line-height: 1.3; }
.aiu-sec-title em { font-style: normal; background: linear-gradient(90deg,#7a1ca8,#d92179); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- Hero ---------- */
.aiu-hero { position: relative; overflow: hidden; background: linear-gradient(155deg, #261a49 0%, #171031 52%, #1d1438 100%); color: #fff; padding: 150px 0 96px; }
.aiu-hero::before { content: ""; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(740px 360px at 82% -12%, rgba(168,86,228,.4), transparent 62%),
                radial-gradient(560px 300px at -6% 108%, rgba(255,122,41,.17), transparent 60%),
                radial-gradient(540px 330px at 104% 82%, rgba(217,33,121,.2), transparent 60%); }
.aiu-hero::after { content: ""; position: absolute; inset: 0; pointer-events: none;
    background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
    background-size: 52px 52px;
    -webkit-mask-image: radial-gradient(720px 460px at 50% 30%, #000 20%, transparent 78%);
    mask-image: radial-gradient(720px 460px at 50% 30%, #000 20%, transparent 78%); }
.aiu-hero-grid { display: grid; grid-template-columns: 1.04fr .96fr; gap: 56px; align-items: center; position: relative; z-index: 1; }
@media (max-width: 959.98px) { .aiu-hero-grid { grid-template-columns: 1fr; gap: 48px; } }
/* Hero 大标题：你的随身「第二大脑」 */
.aiu-hero h1 { margin-top: 18px; font-size: clamp(2.3rem, 5.4vw, 3.9rem); font-weight: 800; line-height: 1.14; letter-spacing: .01em; }
/* Hero 二标题：品牌金句 */
.aiu-hero .aiu-subtitle { margin-top: 16px; font-size: clamp(1.15rem, 2.3vw, 1.6rem); font-weight: 600; line-height: 1.5; letter-spacing: .01em; color: #e8e3f4; }
.aiu-hero .hl { background: linear-gradient(90deg,#ff7a29,#d92179 55%,#a13bd0); -webkit-background-clip: text; background-clip: text; color: transparent; }
.aiu-hero .sub { color: #c7c3d4; font-size: 17px; line-height: 1.85; margin-top: 22px; max-width: 34rem; }
.aiu-hero .meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.aiu-hero .meta span { font-size: 12.5px; color: #dcd7ea; border: 1px solid rgba(255,255,255,.16); padding: 6px 12px; border-radius: 999px; letter-spacing: .06em; }
.aiu-hero .meta span b { color: #ff7a29; font-weight: 700; }
.aiu-hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.aiu-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 28px; border-radius: 999px; font-size: 15px; font-weight: 600; transition: all .3s ease; }
.aiu-btn-primary { background: linear-gradient(90deg,#7a1ca8,#d92179,#ff7a29); color: #fff; box-shadow: 0 12px 30px rgba(217,33,121,.3); }
.aiu-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 38px rgba(217,33,121,.42); }
.aiu-btn-primary:active { transform: translateY(0) scale(.98); }
.aiu-btn-ghost:active { transform: scale(.97); }
.aiu-btn-ghost { border: 1px solid rgba(255,255,255,.28); color: #fff; }
.aiu-btn-ghost:hover { background: rgba(255,255,255,.08); }

/* hero 产品视觉 */
.aiu-stage { position: relative; display: flex; align-items: center; justify-content: center; min-height: 420px; }
.aiu-orbit { position: absolute; width: 360px; height: 360px; border-radius: 50%; border: 1px dashed rgba(255,255,255,.14); animation: aiu-spin 44s linear infinite; }
.aiu-orbit.o2 { width: 268px; height: 268px; animation-duration: 26s; animation-direction: reverse; border-style: solid; border-color: rgba(255,122,41,.12); }
@keyframes aiu-spin { to { transform: rotate(360deg); } }
.aiu-core { position: relative; z-index: 2; }
.aiu-drive { position: relative; width: 138px; background: linear-gradient(160deg,#262136,#191426); border: 1px solid rgba(255,255,255,.14); border-radius: 18px; padding: 12px 12px 16px; box-shadow: 0 26px 60px rgba(0,0,0,.5), 0 0 0 6px rgba(122,28,168,.08), 0 0 46px rgba(122,28,168,.45); }
.aiu-drive-tip { width: 56px; height: 22px; margin: 0 auto -12px; background: linear-gradient(180deg,#e8d9a8,#9c8a4e); border-radius: 5px 5px 0 0; border: 1px solid rgba(0,0,0,.35); }
.aiu-drive-face { height: 74px; border-radius: 12px; background: radial-gradient(90px 60px at 30% 20%, rgba(255,122,41,.16), transparent 60%), linear-gradient(160deg,#17111f,#231a30); border: 1px solid rgba(255,255,255,.08); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; position: relative; overflow: hidden; }
.aiu-drive-face::after { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.08) 48%, transparent 62%); animation: aiu-scan 3.4s ease-in-out infinite; }
@keyframes aiu-scan { 0%,100% { transform: translateX(-110%);} 55% { transform: translateX(110%);} }
.aiu-drive-led { width: 6px; height: 6px; border-radius: 50%; background: #ff7a29; box-shadow: 0 0 10px #ff7a29; }
.aiu-drive-name { font-family: "Barlow Condensed", Impact, sans-serif; font-size: 13px; letter-spacing: .14em; color: #eee7f6; }
.aiu-drive-sub { font-size: 10px; letter-spacing: .3em; color: #ff7a29; }
.aiu-node { position: absolute; z-index: 3; font-size: 12px; color: #ede8f7; background: rgba(28,20,46,.94); border: 1px solid rgba(255,255,255,.16); padding: 7px 14px; border-radius: 999px; white-space: nowrap; box-shadow: 0 8px 22px rgba(0,0,0,.4); }
.aiu-node i { width: 5px; height: 5px; border-radius: 50%; display: inline-block; margin-right: 6px; vertical-align: 1px; }
.aiu-node.n1 { top: 8%; left: 6%; animation: aiu-float 5s ease-in-out infinite; } .aiu-node.n1 i { background:#7a1ca8; box-shadow:0 0 8px #7a1ca8; }
.aiu-node.n2 { top: 14%; right: 2%; animation: aiu-float 5.6s .6s ease-in-out infinite; } .aiu-node.n2 i { background:#d92179; box-shadow:0 0 8px #d92179; }
.aiu-node.n3 { bottom: 18%; left: 0; animation: aiu-float 6s 1.1s ease-in-out infinite; } .aiu-node.n3 i { background:#ff7a29; box-shadow:0 0 8px #ff7a29; }
.aiu-node.n4 { bottom: 6%; right: 4%; animation: aiu-float 5.4s .9s ease-in-out infinite; } .aiu-node.n4 i { background:#a78bfa; box-shadow:0 0 8px #a78bfa; }
.aiu-node.n5 { top: 44%; left: -3%; animation: aiu-float 6.4s .3s ease-in-out infinite; } .aiu-node.n5 i { background:#f5b23f; box-shadow:0 0 8px #f5b23f; }
@keyframes aiu-float { 0%,100% { transform: translateY(0);} 50% { transform: translateY(-9px);} }
.aiu-stage-foot { position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); font-size: 12px; color: #8f89a2; letter-spacing: .18em; white-space: nowrap; }
@media (max-width: 767.98px) {
    .aiu-orbit { width: 260px; height: 260px; }
    .aiu-orbit.o2 { width: 190px; height: 190px; }
    .aiu-node { font-size: 11px; padding: 5px 10px; }
    .aiu-stage { min-height: 340px; }
    .aiu-stage-foot { display: none; }
}

/* ---------- 金句横幅 ---------- */
.aiu-quote-band { background: linear-gradient(90deg,#fff,#fbf2f7,#fff); border-block: 1px solid rgba(217,33,121,.1); }
.aiu-quote-band .inner { display: flex; align-items: center; justify-content: center; gap: 14px; text-align: center; padding: 30px 20px; flex-wrap: wrap; }
.aiu-quote-band strong { font-size: clamp(1.05rem, 2.1vw, 1.45rem); font-weight: 700; color: #241735; }
.aiu-quote-band .hl2 { background: linear-gradient(90deg,#7a1ca8,#d92179); -webkit-background-clip: text; background-clip: text; color: transparent; }
.aiu-quote-band .tail { font-size: 13.5px; color: #8b83a0; }

/* ---------- 三场景卡 ---------- */
.aiu-scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 959.98px) { .aiu-scene-grid { grid-template-columns: 1fr; gap: 16px; } }
.aiu-scene { background: #fff; border: 1px solid rgba(0,0,0,.05); border-radius: 20px; padding: 28px; box-shadow: 0 10px 30px rgba(122,28,168,.05); transition: all .35s ease; }
.aiu-scene:hover { transform: translateY(-5px); box-shadow: 0 18px 40px rgba(122,28,168,.12); border-color: rgba(217,33,121,.28); }
.aiu-scene .ic { width: 46px; height: 46px; border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.aiu-scene h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.aiu-scene .tag { font-size: 12px; font-weight: 600; letter-spacing: .1em; opacity: .55; margin-bottom: 12px; }
.aiu-scene p { font-size: 13.5px; color: #6b7280; line-height: 1.85; }
.aiu-scene ul { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 7px; }
.aiu-scene li { position: relative; padding-left: 15px; font-size: 12.5px; color: #9ca3af; line-height: 1.7; }
.aiu-scene li::before { content: ""; position: absolute; left: 0; top: 9px; width: 5px; height: 5px; border-radius: 50%; background: #d92179; opacity: .8; }

/* ---------- 对比表 ---------- */
.aiu-cmp-wrap { border-radius: 20px; background: #fff; border: 1px solid rgba(0,0,0,.05); box-shadow: 0 14px 40px rgba(122,28,168,.07); overflow: hidden; }
.aiu-cmp { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 13.5px; min-width: 720px; }
.aiu-cmp thead th { padding: 16px 18px; font-weight: 600; letter-spacing: .02em; }
.aiu-cmp thead th:first-child { text-align: left; color: #6b7280; font-weight: 500; font-size: 12px; letter-spacing: .1em; background: #fbfafd; }
.aiu-cmp thead th.win { color: #fff; background: linear-gradient(120deg,#7a1ca8,#d92179); }
.aiu-cmp td { padding: 13px 18px; border-top: 1px solid #f1eef6; color: #374151; }
.aiu-cmp td.dim { font-size: 12px; color: #6b7280; background: #fbfafd; font-weight: 500; letter-spacing: .06em; }
.aiu-cmp td.win { color: #7a1ca8; font-weight: 700; background: rgba(122,28,168,.045); }
.aiu-cmp td.good { color: #2f8f62; }
.aiu-cmp td.mid { color: #d99a3c; }
.aiu-cmp-scroll { overflow-x: auto; }

/* ---------- 三步机制 + 数据链 ---------- */
.aiu-how { background: linear-gradient(160deg, #231747 0%, #16102c 55%, #1c1334 100%); color: #fff; position: relative; overflow: hidden; }
.aiu-how::before { content: ""; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(620px 320px at 12% 0%, rgba(122,28,168,.25), transparent 62%),
                radial-gradient(520px 300px at 96% 100%, rgba(217,33,121,.16), transparent 60%); }
.aiu-how .sec-head .aiu-sec-eyebrow, .aiu-how .aiu-sec-title { color: #fff; }
.aiu-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; position: relative; z-index: 1; }
@media (max-width: 959.98px) { .aiu-steps { grid-template-columns: 1fr; gap: 14px; } }
.aiu-step { background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.1); border-radius: 18px; padding: 26px; }
.aiu-step .n { font-family: "Barlow Condensed", Impact, sans-serif; font-size: 34px; font-weight: 800; letter-spacing: .04em; background: linear-gradient(90deg,#ff7a29,#d92179); -webkit-background-clip: text; background-clip: text; color: transparent; }
.aiu-step h3 { font-size: 17px; font-weight: 700; margin: 10px 0 8px; }
.aiu-step p { font-size: 13px; color: #a7a0bd; line-height: 1.8; }
.aiu-chain { position: relative; z-index: 1; margin-top: 46px; display: grid; grid-template-columns: repeat(5, 1fr); align-items: center; gap: 8px; }
@media (max-width: 959.98px) { .aiu-chain { grid-template-columns: 1fr; gap: 8px; } }
.aiu-chain .seg { position: relative; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12); border-radius: 14px; padding: 16px 10px; text-align: center; }
.aiu-chain .seg b { display: block; font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 4px; letter-spacing: .08em; }
.aiu-chain .seg span { font-size: 11.5px; color: #a7a0bd; letter-spacing: .1em; }
.aiu-chain .seg.hot { background: linear-gradient(140deg, rgba(217,33,121,.24), rgba(122,28,168,.2)); border-color: rgba(217,33,121,.45); }
.aiu-chain .arrow { position: absolute; right: -14px; top: 50%; transform: translateY(-50%); color: #d92179; z-index: 2; font-size: 15px; }
@media (max-width: 959.98px) { .aiu-chain .arrow { transform: translateY(0) rotate(90deg); right: auto; top: auto; bottom: -13px; left: 50%; margin-left: -6px; } }

/* ---------- 安全 ---------- */
.aiu-sec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 959.98px) { .aiu-sec-grid { grid-template-columns: 1fr; gap: 16px; } }
.aiu-sec-card { background: #fff; border: 1px solid rgba(0,0,0,.05); border-radius: 18px; padding: 24px; display: flex; gap: 16px; align-items: flex-start; box-shadow: 0 10px 28px rgba(122,28,168,.05); transition: all .3s ease; }
.aiu-sec-card:hover { box-shadow: 0 16px 36px rgba(122,28,168,.12); border-color: rgba(122,28,168,.22); }
.aiu-sec-card .pic { width: 42px; height: 42px; flex: none; border-radius: 12px; display: flex; align-items: center; justify-content: center; }
.aiu-sec-card .pic svg { width: 21px; height: 21px; }
.aiu-sec-card h3 { font-size: 15.5px; font-weight: 700; margin-bottom: 5px; }
.aiu-sec-card p { font-size: 12.5px; color: #8b83a0; line-height: 1.75; }
.aiu-note { max-width: 820px; margin: 34px auto 0; text-align: center; font-size: 12.5px; color: #9ca3af; line-height: 1.8; }

/* ---------- 规格与背书 ---------- */
.aiu-two { display: grid; grid-template-columns: 1.05fr .95fr; gap: 44px; align-items: stretch; }
@media (max-width: 959.98px) { .aiu-two { grid-template-columns: 1fr; gap: 24px; } }
.aiu-spec { list-style: none; margin: 0; padding: 0; border-top: 1px solid rgba(0,0,0,.06); }
.aiu-spec li { display: flex; justify-content: space-between; gap: 22px; padding: 13px 2px; border-bottom: 1px solid rgba(0,0,0,.06); font-size: 14px; }
.aiu-spec li .k { color: #8b83a0; }
.aiu-spec li .v { color: #241735; font-weight: 500; text-align: right; }
.aiu-spec li .v.soon { color: #b58fd6; font-weight: 400; }
.aiu-trust { background: linear-gradient(150deg,#241735,#3a1c55); color: #fff; border-radius: 22px; padding: 32px; display: flex; flex-direction: column; }
.aiu-trust .head { font-size: 12px; letter-spacing: .2em; font-weight: 600; color: #ffb59b; margin-bottom: 18px; }
.aiu-trust ul { list-style: none; margin: 0 0 auto; padding: 0; display: grid; gap: 14px; }
.aiu-trust li { display: flex; gap: 12px; align-items: flex-start; }
.aiu-trust li i { width: 22px; height: 22px; flex: none; border-radius: 50%; background: rgba(255,122,41,.16); color: #ff7a29; display: flex; align-items: center; justify-content: center; font-size: 12px; font-style: normal; margin-top: 1px; }
.aiu-trust li b { display: block; font-size: 14px; font-weight: 700; margin-bottom: 3px; }
.aiu-trust li span { font-size: 12.5px; color: #c8c0dc; line-height: 1.7; }

/* ---------- 终版 CTA ---------- */
.aiu-end { position: relative; overflow: hidden; background: linear-gradient(115deg,#1a0f26 0%,#42184d 48%,#7a1ca8 130%); color: #fff; }
.aiu-end::before { content: ""; position: absolute; inset: 0; background: radial-gradient(460px 260px at 88% 20%, rgba(255,122,41,.22), transparent 60%); pointer-events: none; }
.aiu-end .inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
@media (max-width: 959.98px) { .aiu-end .inner { grid-template-columns: 1fr; gap: 30px; } }
.aiu-end h2 { font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; line-height: 1.4; margin-bottom: 12px; }
.aiu-end h2 .hl2 { background: linear-gradient(90deg,#ffb46b,#ff7a29,#ff9ecb); -webkit-background-clip: text; background-clip: text; color: transparent; }
.aiu-end .desc { color: #d8cfef; font-size: 15px; line-height: 1.85; }
.aiu-end .splits { display: grid; gap: 16px; }
.aiu-end .split { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 20px 24px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.16); border-radius: 18px; transition: all .3s ease; }
.aiu-end .split:hover { background: rgba(255,255,255,.13); transform: translateX(-4px); }
.aiu-end .split .t b { font-size: 16px; font-weight: 700; display: block; }
.aiu-end .split .t span { font-size: 12.5px; color: #c9bfe2; }
.aiu-end .split .a { flex: none; color: #fff; border: 1px solid rgba(255,255,255,.4); border-radius: 999px; padding: 8px 18px; font-size: 13px; font-weight: 600; transition: transform .3s ease, background .3s ease; }
.aiu-end .split:hover .a { transform: translateX(3px); }
.aiu-end .split.primary .a { background: #fff; color: #7a1ca8; border-color: #fff; }

/* 版本视角切换 Tab（ai-ushield.html ↔ ai-ushield-personal.html） */
.aiu-tab { display: inline-flex; align-items: center; gap: 6px; background: rgba(255,255,255,.92); border: 1px solid rgba(16,13,19,.08); padding: 4px; border-radius: 999px; box-shadow: 0 10px 24px -16px rgba(122,28,168,.6); }
.aiu-tab a { font-size: 12.5px; padding: 6px 14px; border-radius: 999px; color: #6b7280; font-weight: 500; transition: all .25s ease; white-space: nowrap; }
.aiu-tab a:hover { color: #7a1ca8; }
.aiu-tab a.on { background: linear-gradient(90deg,#7a1ca8,#d92179); color: #fff; font-weight: 600; }
.aiu-tab .note { margin-left: 10px; font-size: 11px; color: #6b7280; letter-spacing: .08em; white-space: nowrap; }
.aiu-tab.light { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.2); box-shadow: none; }
.aiu-tab.light a { color: #d3cce2; }
.aiu-tab.light a:hover { color: #fff; }
.aiu-tab.light a.on { background: linear-gradient(90deg,#7a1ca8,#d92179); }
.aiu-tab.light .note { color: #938ca6; }

/* ---------- AI-U盾 · 版本与价格 ---------- */
.aiu-price-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    align-items: stretch;
}
@media (min-width: 900px) {
    .aiu-price-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
}
.aiu-price-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 32px 26px 26px;
    border: 1px solid rgba(16, 13, 19, 0.07);
    border-radius: 22px;
    background: #fbf9fc;
    overflow: hidden;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.aiu-price-card:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #7a1ca8, #d92179, #ff7a29);
    opacity: .85;
}
.aiu-price-card:hover {
    transform: translateY(-6px);
    border-color: rgba(217, 33, 121, 0.22);
    box-shadow: 0 22px 46px -26px rgba(122, 28, 168, 0.38);
}
.aiu-price-card.is-hot {
    background: #fff;
    border-color: rgba(217, 33, 121, 0.3);
    box-shadow: 0 20px 46px -30px rgba(217, 33, 121, 0.55);
}
.aiu-price-tag {
    align-self: flex-start;
    padding: 4px 11px;
    border-radius: 999px;
    background: rgba(217, 33, 121, 0.08);
    color: #d92179;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .04em;
    margin-bottom: 14px;
}
.aiu-price-tag.tag-orange { background: rgba(255, 122, 41, 0.12); color: #d9661a; }
.aiu-price-tag.tag-purple { background: rgba(122, 28, 168, 0.1); color: #7a1ca8; }
.aiu-price-name {
    margin: 0 0 8px;
    font-size: 19px;
    font-weight: 700;
    color: #1f2937;
}
.aiu-price-sub {
    margin: 0 0 20px;
    font-size: 13px;
    line-height: 1.85;
    color: #6b7280;
    flex: 1 1 auto;
}
.aiu-price-amount {
    font-family: "Barlow Condensed", "Arial Narrow", Impact, sans-serif;
    font-weight: 800;
    font-size: 2.6rem;
    line-height: 1;
    letter-spacing: .02em;
    background: linear-gradient(100deg, #7a1ca8 0%, #d92179 48%, #ff7a29 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.aiu-price-amount .aiu-price-slash {
    -webkit-text-fill-color: #9ca3af;
    color: #9ca3af;
    font-size: 1.4rem;
    font-weight: 600;
    margin-left: 9px;
    letter-spacing: .02em;
    text-decoration: line-through;
    text-decoration-thickness: 2px;
    text-decoration-color: rgba(156, 163, 175, 0.85);
}
.aiu-price-save {
    display: inline-block;
    padding: 3px 10px;
    margin-right: 8px;
    border-radius: 999px;
    background: rgba(217, 33, 121, 0.07);
    color: #d92179;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .03em;
    vertical-align: 1px;
}
.aiu-price-amount.aiu-price-ask {
    font-size: 1.9rem;
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
    color: #1f2937;
}
.aiu-price-unit {
    margin-top: 8px;
    font-size: 12px;
    color: #9ca3af;
}
.aiu-price-list {
    list-style: none;
    margin: 20px 0 0;
    padding: 0;
}
.aiu-price-list li {
    position: relative;
    padding-left: 17px;
    font-size: 13px;
    line-height: 1.9;
    color: #4b5563;
}
.aiu-price-list li:before {
    content: "";
    position: absolute;
    left: 2px;
    top: 9px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: linear-gradient(135deg, #7a1ca8, #d92179);
}
.aiu-price-cta {
    display: block;
    margin-top: 22px;
    padding: 12px 18px;
    border-radius: 999px;
    background: linear-gradient(90deg, #7a1ca8, #d92179, #ff7a29);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    transition: opacity .25s ease, box-shadow .25s ease;
}
.aiu-price-cta:hover {
    opacity: .92;
    box-shadow: 0 14px 28px -16px rgba(217, 33, 121, 0.75);
}

/* 产品盾徽（AI-U盾 个人版视觉指纹） */
.aiu-shield-badge { position: absolute; top: -16px; right: -14px; width: 54px; height: 54px; border-radius: 50%;
    background: linear-gradient(135deg,#ff7a29 0%,#d92179 60%,#a13bd0 100%); color: #fff;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 10px 26px rgba(217,33,121,.42), 0 0 0 5px rgba(255,255,255,.08);
    animation: aiu-bob 4.5s ease-in-out infinite; z-index: 3; }
.aiu-shield-badge svg { width: 26px; height: 26px; }
@keyframes aiu-bob { 0%,100% { transform: translateY(0);} 50% { transform: translateY(-5px);} }

/* 减动效偏好：用户系统关闭动画时收敛 */
@media (prefers-reduced-motion: reduce) {
    .aiu-orbit, .aiu-drive-face::after, .aiu-node, .aiu-shield-badge { animation: none !important; }
    .aiu-scene, .aiu-sec-card, .aiu-btn, .aiu-end .split, .aiu-tab a { transition: none !important; }
}
@media (max-width: 640px) { .aiu-tab .note { display: none; } .aiu-tab a { padding: 5px 10px; font-size: 12px; } }

/* ============================================
   AI-U盾 · 个人版 — P0/P1 克制交互 & 品牌统一
   ============================================ */

/* 1) 卡片进场级联（错峰 reveal，hover 取消延迟保持跟手） */
.aiu-scene-grid > .reveal, .aiu-sec-grid > .reveal, .aiu-steps > .reveal { will-change: opacity, transform; }
.aiu-scene-grid > .reveal:nth-child(2), .aiu-steps > .reveal:nth-child(2) { transition-delay: .12s; }
.aiu-scene-grid > .reveal:nth-child(3), .aiu-steps > .reveal:nth-child(3) { transition-delay: .24s; }
.aiu-sec-grid > .reveal:nth-child(2) { transition-delay: .06s; }
.aiu-sec-grid > .reveal:nth-child(3) { transition-delay: .12s; }
.aiu-sec-grid > .reveal:nth-child(4) { transition-delay: .18s; }
.aiu-sec-grid > .reveal:nth-child(5) { transition-delay: .24s; }
.aiu-sec-grid > .reveal:nth-child(6) { transition-delay: .3s; }
.aiu-scene-grid > .reveal:hover, .aiu-sec-grid > .reveal:hover, .aiu-steps > .reveal:hover { transition-delay: 0s !important; }

/* 2) 对比表：行 hover 高亮 + AI-U盾 列一次入场呼吸 */
.aiu-cmp tbody tr { transition: background-color .3s ease; }
.aiu-cmp tbody tr:hover td { background-color: #faf6fd; }
.aiu-cmp tbody tr:hover td.dim { background-color: #f5effa; }
.aiu-cmp tbody tr:hover td.win { background-color: rgba(122,28,168,.11); }
.aiu-cmp-wrap.reveal.in th.win, .aiu-cmp-wrap.reveal.in td.win { animation: aiu-win-breathe 1.15s ease .35s both; }
@keyframes aiu-win-breathe { 0%,100% { filter: brightness(1); } 38% { filter: brightness(1.14); } }

/* 3) 链条逐段点亮（越用越懂你的递进感） */
.aiu-chain .seg { opacity: 0; }
.aiu-chain.reveal.in .seg { animation: aiu-seg-in .55s ease forwards; }
.aiu-chain.reveal.in .seg:nth-child(1) { animation-delay: .05s; }
.aiu-chain.reveal.in .seg:nth-child(2) { animation-delay: .18s; }
.aiu-chain.reveal.in .seg:nth-child(3) { animation-delay: .31s; }
.aiu-chain.reveal.in .seg:nth-child(4) { animation-delay: .44s; }
.aiu-chain.reveal.in .seg:nth-child(5) { animation-delay: .57s; }
@keyframes aiu-seg-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* 4) Hero 产品核心：鼠标轻微视差（幅度克制，仅桌面 + 无减弱动效偏好） */
.aiu-hero { --mx: 0; --my: 0; }
.aiu-core { transform: translate3d(calc(var(--mx) * 12px), calc(var(--my) * 8px), 0); transition: transform .7s cubic-bezier(.2,.7,.2,1); will-change: transform; }

/* 减动效偏好下全部收敛为静态 */
@media (prefers-reduced-motion: reduce) {
    .aiu-scene-grid > .reveal, .aiu-sec-grid > .reveal, .aiu-steps > .reveal { transition-delay: 0s !important; }
    .aiu-cmp-wrap.reveal.in th.win, .aiu-cmp-wrap.reveal.in td.win, .aiu-chain.reveal.in .seg { animation: none !important; }
    .aiu-chain .seg { opacity: 1; }
    .aiu-core { transform: none !important; transition: none; }
}

/* ============================================
   全站 FAQ 智能问答悬浮球（faq- 前缀隔离）
   ============================================ */
/* env(safe-area-inset-*) 只在 viewport-fit=cover 下生效（已加）；桌面端取值为 0，不影响原布局 */
#faq-root { position: fixed; right: calc(22px + env(safe-area-inset-right)); bottom: calc(22px + env(safe-area-inset-bottom)); z-index: 60; font-family: "Microsoft YaHei", "PingFang SC", "HarmonyOS Sans SC", sans-serif; }
/* Siri 式 AI 光晕：外露的旋转彩色环 + 大模糊柔光 */
.faq-glow { position: absolute; border-radius: 50%; pointer-events: none; will-change: transform; }
#faq-glow { z-index: 1; left: -7px; top: -7px; width: 72px; height: 72px; background: conic-gradient(from 0deg, #7a1ca8, #d92179, #ff7a29, #3d9bf0, #7a1ca8); -webkit-mask: radial-gradient(circle, transparent 0 29px, #000 30.5px); mask: radial-gradient(circle, transparent 0 29px, #000 30.5px); animation: faq-glow-spin 4s linear infinite; }
#faq-glow-halo { z-index: 0; left: -18px; top: -18px; width: 94px; height: 94px; background: conic-gradient(from 120deg, #7a1ca8, #d92179, #ff7a29, #3d9bf0, #7a1ca8); opacity: .5; filter: blur(20px); animation: faq-glow-spin-rev 8s linear infinite; }
@keyframes faq-glow-spin { to { transform: rotate(360deg); } }
@keyframes faq-glow-spin-rev { to { transform: rotate(-360deg); } }
#faq-fab { display: flex; align-items: center; justify-content: center; width: 58px; height: 58px; padding: 0; border: 0; border-radius: 50%; cursor: grab; touch-action: none; -webkit-user-select: none; user-select: none; background: #fff; box-shadow: 0 10px 26px rgba(217,33,121,.32), 0 0 0 1px rgba(122,28,168,.12); transition: transform .25s ease, box-shadow .25s ease; overflow: hidden; z-index: 2; position: relative; }
#faq-root.dragging #faq-fab { cursor: grabbing; transition: none; }
#faq-root.dragging #faq-fab:hover { transform: none; box-shadow: 0 10px 26px rgba(217,33,121,.32), 0 0 0 1px rgba(122,28,168,.12); }
#faq-fab .faq-fab-avatar { width: 100%; height: 100%; object-fit: cover; display: block; pointer-events: none; }
#faq-fab:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 16px 36px rgba(217,33,121,.46), 0 0 0 1px rgba(122,28,168,.14); }
#faq-fab:active { transform: scale(.96); }

/* 首访引导气泡 */
#faq-tip { position: fixed; right: calc(92px + env(safe-area-inset-right)); bottom: calc(30px + env(safe-area-inset-bottom)); z-index: 59; width: 252px; background: #fff; border: 1px solid rgba(0,0,0,.08); border-radius: 14px; box-shadow: 0 16px 40px rgba(36,23,53,.18); padding: 12px 34px 12px 14px; font-size: 12.5px; color: #4a3f63; opacity: 1; visibility: visible; transform: none; transition: opacity .3s ease, transform .3s ease, visibility .3s; }
#faq-tip p { margin: 0; display: flex; flex-direction: column; gap: 3px; }
#faq-tip b { font-size: 13px; color: #7a1ca8; }
#faq-tip p span { color: #8b83a0; line-height: 1.5; }
#faq-tip-arrow { position: absolute; right: -7px; top: 50%; margin-top: -7px; width: 14px; height: 14px; background: #fff; border-right: 1px solid rgba(0,0,0,.08); border-top: 1px solid rgba(0,0,0,.08); transform: rotate(45deg); }
#faq-tip-close { position: absolute; top: 8px; right: 8px; width: 20px; height: 20px; border: 0; border-radius: 50%; background: #f1eef6; color: #8b83a0; font-size: 11px; line-height: 1; cursor: pointer; }
#faq-tip-close:hover { background: #e7e0f2; color: #7a1ca8; }
#faq-tip.hide { opacity: 0; visibility: hidden; transform: translateX(8px); pointer-events: none; }

#faq-panel { position: fixed; right: calc(22px + env(safe-area-inset-right)); bottom: calc(78px + env(safe-area-inset-bottom)); width: 360px; max-width: calc(100vw - 24px); height: min(560px, calc(100vh - 120px)); height: min(560px, calc(100dvh - 120px)); background: #fff; border: 1px solid rgba(0,0,0,.06); border-radius: 18px; box-shadow: 0 24px 60px rgba(36,23,53,.18); display: flex; flex-direction: column; overflow: hidden; opacity: 0; visibility: hidden; transform: translateY(14px) scale(.98); transform-origin: bottom right; transition: opacity .25s ease, transform .25s ease, visibility .25s; z-index: 1; }
#faq-panel.open { opacity: 1; visibility: visible; transform: none; }

/* 对话面板流光边框：几条光带沿框流动（Siri/AI 效果） */
@property --faqA { syntax: "<angle>"; initial-value: 0deg; inherits: false; }
#faq-panel-glow { position: fixed; right: calc(18px + env(safe-area-inset-right)); bottom: calc(74px + env(safe-area-inset-bottom)); width: 368px; max-width: calc(100vw - 24px); height: min(568px, calc(100vh - 112px)); height: min(568px, calc(100dvh - 112px)); padding: 6px; box-sizing: border-box; border-radius: 25px; pointer-events: none; z-index: 0; opacity: 0; background: conic-gradient(from var(--faqA), transparent 0 46deg, rgba(217,33,121,.28) 54deg, rgba(217,33,121,.9) 66deg, rgba(217,33,121,0) 82deg, transparent 88deg 136deg, rgba(255,122,41,.28) 144deg, rgba(255,122,41,.9) 156deg, rgba(255,122,41,0) 172deg, transparent 178deg 226deg, rgba(34,211,238,.28) 234deg, rgba(34,211,238,.9) 246deg, rgba(34,211,238,0) 262deg, transparent 268deg 316deg, rgba(122,28,168,.28) 324deg, rgba(122,28,168,.9) 336deg, rgba(122,28,168,0) 352deg, transparent 358deg 360deg); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); mask-composite: exclude; filter: blur(3px) saturate(1.15); transition: opacity .5s ease; }
@keyframes faq-border-flow { to { --faqA: 360deg; } }
#faq-root.talk #faq-panel-glow { opacity: 1; animation: faq-border-flow 10s linear infinite; }
/* 不支持 @property 的浏览器：退化为固定的柔和渐变光带 */
@supports not (background: conic-gradient(from var(--faqA), red, blue)) {
    #faq-panel-glow { background: conic-gradient(from 0deg, transparent 0 46deg, rgba(217,33,121,.28) 54deg, rgba(217,33,121,.9) 66deg, rgba(217,33,121,0) 82deg, transparent 88deg 136deg, rgba(255,122,41,.28) 144deg, rgba(255,122,41,.9) 156deg, rgba(255,122,41,0) 172deg, transparent 178deg 226deg, rgba(34,211,238,.28) 234deg, rgba(34,211,238,.9) 246deg, rgba(34,211,238,0) 262deg, transparent 268deg 316deg, rgba(122,28,168,.28) 324deg, rgba(122,28,168,.9) 336deg, rgba(122,28,168,0) 352deg, transparent 358deg 360deg); }
}

.faq-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 16px; background: linear-gradient(115deg,#1a0f26 0%,#42184d 58%,#7a1ca8 130%); color: #fff; }
.faq-head-brand { display: flex; flex-direction: column; gap: 5px; flex: 1; min-width: 0; }
.faq-head-logo { width: auto; height: 21px; align-self: flex-start; display: block; filter: drop-shadow(0 1px 2px rgba(0,0,0,.2)); }
.faq-head-brand span { font-size: 11px; color: #d3c9e6; letter-spacing: .1em; }
#faq-close { flex: none; width: 26px; height: 26px; border-radius: 50%; border: 0; background: rgba(255,255,255,.14); color: #fff; cursor: pointer; font-size: 13px; line-height: 1; transition: background .2s ease; }
#faq-close:hover { background: rgba(255,255,255,.26); }

.faq-msgs { flex: 1; overflow-y: auto; padding: 16px 12px 10px; display: flex; flex-direction: column; gap: 14px; background: #eef0f6; }
/* 微信式消息行：头像 + 气泡 */
.faq-row { display: flex; gap: 8px; align-items: flex-start; }
.faq-row-user { flex-direction: row-reverse; }
.faq-avatar { flex: none; width: 32px; height: 32px; border-radius: 50%; overflow: hidden; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.12); }
.faq-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.faq-avatar.user { background: linear-gradient(135deg,#7a1ca8,#d92179); display: flex; align-items: center; justify-content: center; }
.faq-avatar svg { width: 26px; height: 26px; }

.faq-bubble { position: relative; max-width: 76%; padding: 9px 13px; font-size: 13.5px; line-height: 1.7; word-break: break-word; white-space: normal; }
.faq-row-bot .faq-bubble { background: #fff; color: #2c2538; border-radius: 4px 14px 14px 14px; border: 1px solid #e6e9f0; }
.faq-row-bot .faq-bubble::before { content: ""; position: absolute; left: -6px; top: 10px; width: 0; height: 0; border-top: 6px solid transparent; border-bottom: 6px solid transparent; border-right: 6px solid #fff; }
.faq-row-user .faq-bubble { background: linear-gradient(90deg,#7a1ca8,#d92179); color: #fff; border-radius: 14px 4px 14px 14px; }
.faq-row-user .faq-bubble::after { content: ""; position: absolute; right: -6px; top: 10px; width: 0; height: 0; border-top: 6px solid transparent; border-bottom: 6px solid transparent; border-left: 6px solid #d92179; }
.faq-link { display: inline-block; margin-top: 4px; padding: 4px 10px; border-radius: 999px; border: 1px solid rgba(122,28,168,.35); color: #7a1ca8; font-size: 12.5px; transition: background .2s ease, color .2s ease; }
.faq-link:hover { background: #7a1ca8; color: #fff; }
.faq-tips { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.faq-note { margin-top: 8px; padding-top: 8px; border-top: 1px dashed rgba(0,0,0,.1); font-size: 11px; color: #9ca3af; line-height: 1.7; }

.faq-quick-wrap { max-width: 88%; }
.faq-bq-t { font-size: 12.5px; line-height: 1.7; color: #2c2538; margin-bottom: 6px; }
.faq-quick { display: flex; flex-wrap: wrap; gap: 6px; }
.faq-chip { border: 1px solid #e4dcf2; background: #fff; color: #5a3f86; font-size: 12px; padding: 5px 12px; border-radius: 999px; cursor: pointer; transition: all .2s ease; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.faq-chip:hover { border-color: #d92179; color: #d92179; background: #fff6fb; }

/* 横向溢出修复（英文站暴露）：
   英文文案比中文长得多（例：How much does AI-U Shield cost? How can I buy it or book a demo?），
   而 flex 子项默认 min-width:auto 不肯收缩，会把消息区撑宽。
   另外 .faq-msgs 只设了 overflow-y:auto —— 当一个轴是 auto 而另一个是 visible 时，
   另一个轴会被计算成 auto，于是整块冒出横向滚动条。必须显式 overflow-x:hidden。 */
.faq-msgs { overflow-x: hidden; overscroll-behavior: contain; }
.faq-row, .faq-row-card .faq-bubble, .faq-quick-wrap { min-width: 0; }
.faq-bubble { overflow-wrap: break-word; }
/* 快捷问题改为可换行：原来 nowrap + ellipsis 会把英文问句截成
   「How much does AI-U Shield cost? How can I…」——看不全，访客也没法判断该不该点。
   中文问句短，正常情况下仍是一行。 */
.faq-chip { white-space: normal; text-align: left; line-height: 1.45; }

.faq-input { display: flex; gap: 8px; padding: 10px 12px; border-top: 1px solid #f1eef6; }
.faq-input input { flex: 1; min-width: 0; border: 1px solid #e5e0ee; border-radius: 999px; padding: 9px 14px; font-size: 13px; outline: none; color: #2c2538; transition: border-color .2s ease; }
/* iOS Safari 会对字号 <16px 的输入框自动放大整页（正解是加大字号，不是禁用缩放） */
@media (max-width: 767.98px), (hover: none) and (pointer: coarse) {
    .faq-input input { font-size: 16px; }
}
.faq-input input:focus { border-color: #d92179; }
#faq-send { flex: none; border: 0; background: linear-gradient(90deg,#7a1ca8,#d92179); color: #fff; border-radius: 999px; padding: 0 18px; font-size: 13px; font-weight: 600; cursor: pointer; transition: opacity .2s ease; }
#faq-send:hover { opacity: .88; }

.faq-foot { margin: 0; padding: 8px 14px; text-align: center; font-size: 11px; color: #b6aec9; background: #fbfaff; letter-spacing: .03em; }

@media (max-width: 480px) {
    /* 安全区：iPhone 手势条约 34px，原 14px 偏移会让悬浮球落进手势条区域 */
    #faq-root { right: calc(14px + env(safe-area-inset-right)); bottom: calc(14px + env(safe-area-inset-bottom)); }
    #faq-fab { width: 54px; height: 54px; }
    #faq-glow { width: 68px; height: 68px; left: -7px; top: -7px; -webkit-mask: radial-gradient(circle, transparent 0 27px, #000 28.5px); mask: radial-gradient(circle, transparent 0 27px, #000 28.5px); }
    #faq-glow-halo { width: 90px; height: 90px; left: -18px; top: -18px; }
    #faq-tip { right: calc(80px + env(safe-area-inset-right)); bottom: calc(26px + env(safe-area-inset-bottom)); width: 216px; }
    /* 高度用 dvh：100vh 不随 iOS 地址栏伸缩，面板会超出可视区 */
    #faq-panel { right: calc(12px + env(safe-area-inset-right)); bottom: calc(76px + env(safe-area-inset-bottom)); height: min(520px, calc(100vh - 104px)); height: min(520px, calc(100dvh - 104px)); }
    #faq-panel-glow { right: calc(8px + env(safe-area-inset-right)); bottom: calc(72px + env(safe-area-inset-bottom)); width: 368px; height: min(528px, calc(100vh - 96px)); height: min(528px, calc(100dvh - 96px)); padding: 6px; border-radius: 24px; }
}

/* 减动效偏好 */
@media (prefers-reduced-motion: reduce) {
    .faq-glow, .faq-glow-halo, #faq-panel-glow { animation: none !important; opacity: 0 !important; }
    #faq-fab, #faq-panel, #faq-panel-glow, #faq-tip, #faq-tip-close, #faq-close, .faq-link, .faq-chip, .faq-input input { transition: none !important; }
}

/* ============================================
   答案卡：把回答从「一大段话」变成结构化卡片
   （小盈的正文回答走这里；问候语、快捷问题仍用气泡）
   ============================================ */
.faq-row-card .faq-bubble {
    flex: 1;
    max-width: 100%;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
}
.faq-row-card .faq-bubble::before { display: none; }
/* 等待态仍给个小气泡，回答到达后气泡壳消失、换成卡片 */
.faq-row-card .faq-bubble.faq-pending {
    padding: 9px 13px;
    background: #fff;
    border: 1px solid #e6e9f0;
    border-radius: 4px 14px 14px 14px;
}

.faq-card {
    background: #fff;
    border: 1px solid #ebe6f5;
    border-radius: 13px;
    box-shadow: 0 12px 28px -22px rgba(60, 20, 90, .6);
    overflow: hidden;
}
.faq-card-bar { display: block; height: 3px; background: linear-gradient(90deg, #7a1ca8, #d92179 58%, #ff7a29); }
.faq-card-in { padding: 11px 13px 12px; }
.faq-card-lead { margin: 0; font-size: 13px; line-height: 1.78; color: #2c2538; }
.faq-card-lead + .faq-card-lead { margin-top: 6px; }
.faq-card .faq-link { margin-top: 8px; }
.faq-card .faq-bq-t { margin-top: 10px; }
.faq-card .faq-note { margin-top: 9px; }

/* 条目：圈码做成圆点徽标，一条一行，行距放宽 */
.faq-li { display: flex; gap: 8px; align-items: flex-start; margin-top: 8px; padding-top: 8px; border-top: 1px dashed #f1ecf9; }
.faq-li-no {
    flex: none; width: 17px; height: 17px; margin-top: 3px; border-radius: 50%;
    background: linear-gradient(135deg, #7a1ca8, #d92179);
    color: #fff; font-size: 11px; font-weight: 700; line-height: 17px; text-align: center;
}
.faq-li-tx { flex: 1; min-width: 0; font-size: 13px; line-height: 1.78; color: #2c2538; }
/* 数字高亮：金额 / 比例 / 数量单位 */
.faq-hl { color: #d92179; font-weight: 700; }

/* ============================================
   大模型等待态：输入中三点提示
   ============================================ */
.faq-typing { display: inline-flex; align-items: center; gap: 5px; padding: 3px 2px; }
.faq-typing i { width: 6px; height: 6px; border-radius: 50%; background: #b9aecf; animation: faq-type-dot 1.1s infinite ease-in-out; }
.faq-typing i:nth-child(2) { animation-delay: .18s; }
.faq-typing i:nth-child(3) { animation-delay: .36s; }
@keyframes faq-type-dot { 0%, 60%, 100% { opacity: .35; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }
@media (prefers-reduced-motion: reduce) {
    .faq-typing i { animation: none; opacity: .6; }
}

/* ============================================
   AI-U盾个人版：随身「第二大脑」概念强化
   ============================================ */
/* Hero 大标题渐变字（字号/字重/间距由 .aiu-hero h1 提供） */
.aiu-brain {
    background: linear-gradient(100deg, #ffd9a0 0%, #ff9a62 22%, #ff5d8f 48%, #c86dff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
.aiu-meta-note {
    margin: 20px 0 0;
    max-width: 560px;
    font-size: 11.5px;
    line-height: 1.75;
    color: rgba(255, 255, 255, .52);
}
@media (prefers-reduced-motion: reduce) { .aiu-brain { -webkit-text-fill-color: #f3c6a8; color: #f3c6a8; background: none; } }

/* ============================================
   邮箱选择面板（点击 mailto 链接弹出，引导访客用自己常用的邮箱写信）
   ============================================ */
.mailbox-picker {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(23, 16, 49, .45);
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease, visibility .25s ease;
}
.mailbox-picker.show {
    opacity: 1;
    visibility: visible;
}
.mailbox-card {
    position: relative;
    width: min(460px, 100%);
    max-height: calc(100vh - 40px);
    max-height: calc(100dvh - 40px);
    overflow-y: auto;
    overscroll-behavior: contain;
    background: #fff;
    border-radius: 18px;
    padding: 24px 24px 20px;
    box-shadow: 0 20px 60px rgba(23, 16, 49, .28);
    transform: translateY(12px) scale(.98);
    transition: transform .25s ease;
}
.mailbox-picker.show .mailbox-card {
    transform: translateY(0) scale(1);
}
.mailbox-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 30px;
    height: 30px;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: #9aa0ab;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    transition: background .2s ease, color .2s ease;
}
.mailbox-close:hover { background: rgba(0, 0, 0, .06); color: #1f2937; }
.mailbox-title {
    font-size: 16px;
    font-weight: 700;
    color: #1f2937;
    padding-right: 32px;
}
.mailbox-to {
    margin-top: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    border-radius: 10px;
    background: rgba(122, 28, 168, .05);
    border: 1px solid rgba(122, 28, 168, .12);
}
.mailbox-to-label {
    flex: 0 0 auto;
    font-size: 12px;
    color: #6b6274;
}
.mailbox-to-mail {
    flex: 1 1 auto;
    font-size: 14px;
    color: #7a1ca8;
    word-break: break-all;
}
.mailbox-to-badge {
    flex: 0 0 auto;
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 11px;
    color: #fff;
    background: linear-gradient(90deg, #7a1ca8, #d92179);
}
.mailbox-subject {
    margin-top: 9px;
    font-size: 12.5px;
    line-height: 1.6;
    color: #d92179;
    word-break: break-all;
}
.mailbox-grid {
    margin-top: 16px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}
.mailbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 12px;
    border: 1px solid rgba(0, 0, 0, .08);
    border-radius: 12px;
    background: #fff;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    transition: border-color .2s ease, box-shadow .2s ease, transform .12s ease;
}
.mailbox-item:hover {
    border-color: rgba(217, 33, 121, .45);
    box-shadow: 0 6px 18px rgba(122, 28, 168, .10);
}
.mailbox-item:active { transform: scale(.98); }
.mailbox-item-icon {
    flex: 0 0 auto;
    width: 30px;
    height: 30px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .02em;
}
.mailbox-item-name {
    font-size: 13.5px;
    font-weight: 600;
    color: #1f2937;
    white-space: nowrap;
}
.mailbox-tip {
    margin: 12px 0 0;
    font-size: 12px;
    line-height: 1.7;
    color: #7c8593;
}
@media (max-width: 480px) {
    .mailbox-card { padding: 20px 16px 16px; }
    .mailbox-item { padding: 10px; gap: 8px; }
    .mailbox-item-name { font-size: 12.5px; }
}
@media (prefers-reduced-motion: reduce) {
    .mailbox-picker, .mailbox-card, .mailbox-item { transition: none; }
}

/* ============================================
   手机端密度收敛（≤767.98px）
   ------------------------------------------------------------
   问题：区块上下内边距沿用桌面值（py-20 = 80px、py-24 = 96px），
   首页 AI Banner 最小高 460px，子页 .page-hero 近一屏——在 390px 宽
   手机上，仅「区块留白」就占掉约 1.5 屏，一屏看不到多少内容。
   约束：assets/tw.css 是预编译产物（README 明确勿手改），
   所以这里用「同优先级 + 后加载」的方式覆盖工具类（site.css 在
   tw.css 之后加载）；本块放在文件末尾，确保覆盖生效。
   原则：只压留白与间距，不动字号与信息层级。
   ============================================ */
@media (max-width: 767.98px) {
    /* 1) 区块上下留白：80 / 96 / 64 → 48 / 52 / 40 */
    .py-20 { padding-top: 3rem; padding-bottom: 3rem; }
    .py-24 { padding-top: 3.25rem; padding-bottom: 3.25rem; }
    .py-16 { padding-top: 2.5rem; padding-bottom: 2.5rem; }
    .pt-16 { padding-top: 2.5rem; }

    /* 2) 卡片内边距：28 / 32 → 20 / 22 */
    .p-7 { padding: 1.25rem; }
    .p-8 { padding: 1.375rem; }

    /* 3) 栅格间距：32 / 40 / 56 → 20 / 24 / 24 */
    .gap-8 { gap: 1.25rem; }
    .gap-10 { gap: 1.5rem; }
    .gap-14 { gap: 1.5rem; }

    /* 4) 区块标题与内容的下外边距：48 / 56 / 32 → 28 / 28 / 24 */
    .mb-12 { margin-bottom: 1.75rem; }
    .mb-14 { margin-bottom: 1.75rem; }
    .mb-8 { margin-bottom: 1.5rem; }

    /* 5) 首页 AI Banner：height 原为 clamp(460px,55vw,700px) + min-height:460px，
       390px 手机上 55vw 只有 214px，却仍被撑到 460px（比屏宽还高）。
       改为内容自适应：只有 .banner-copy 是常规流子元素，其余均为 absolute。 */
    .ai-banner { height: auto; min-height: 0; padding: 96px 0 44px; }
    .banner-copy { height: auto; padding-top: 0; }

    /* 6) 子页页头：padding 130/64 + 380px 装饰箱庭纵向堆叠 ≈ 一整屏 */
    .page-hero { padding: 92px 0 36px; }
    .page-hero-inner { gap: 24px; }
    .dio-stage { width: min(62vw, 250px); }
    /* 关于我们页页头是 .about-news 变体，其规则在 about-news.css（晚于 site.css 加载），
       故用 header. 提高一级特异性以稳定覆盖 */
    header.about-news.page-hero { padding: 88px 0 28px; }

    /* 7) AI-U盾个人版页头（.aiu-hero 自带 150/96，移动端未收） */
    .aiu-hero { padding: 96px 0 44px; }
    .aiu-stage { min-height: 280px; }

    /* 8) 自定义卡片组件：这些是本项目自己的类，不是 Tailwind 工具类，上面覆盖不到。
       实测单卡高度：合作生态三类合作卡 489px、AI-U盾价格卡 456px，
       大头在卡内多段外边距与内边距，逐项收紧。 */
    .coop-card { padding: 1.25rem 1.125rem 1.125rem; }
    .coop-head { margin-bottom: 0.75rem; }
    .coop-title { margin-bottom: 0.5rem; }
    .coop-desc { margin-bottom: 0.875rem; }
    .coop-links { margin-bottom: 0.875rem; }
    .coop-link { padding: 0.5rem 0.75rem; }
    .coop-meta { padding-top: 0.75rem; gap: 0.5rem; margin-bottom: 1rem; }

    .aiu-price-card { padding: 1.375rem 1.25rem 1.25rem; }
    .aiu-price-tag { margin-bottom: 0.625rem; }
    .aiu-price-name { margin-bottom: 0.375rem; }
    .aiu-price-sub { margin-bottom: 0.875rem; }
    .aiu-price-list { margin-top: 0.875rem; }
    .aiu-price-cta { margin-top: 1rem; }

    .aiu-scene { padding: 1.25rem; }
    .aiu-sec-card { padding: 1.125rem; gap: 0.75rem; }
    .aiu-step { padding: 1.25rem; }
    .aiu-trust { padding: 1.5rem; }
    .aiu-chain { margin-top: 1.75rem; }
    .aiu-chain .seg { padding: 0.75rem 0.625rem; }
    .aiu-quote-band .inner { padding: 1.25rem 1rem; }

    .proof-row.rev { margin-top: 2.5rem; }
    .proof-shots-3 { margin-top: 1.5rem; }
}